AA 6442 then AA 1408 at DFW
Aspen → Dallas-Fort Worth → Huatulco
Timetable, Dallas-Fort Worth time
16:21AA 6442 from Aspen at the gate
10:49AA 1408 to Huatulco leaves the gate
18 h 28 apart on the timetable, overnight
AA 1408 leaves 18 h 28 after AA 6442 arrives on the timetable: more than half a day, so not a connection we count.